Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / WebControls / DataControlLinkButton.cs / 2 / DataControlLinkButton.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Drawing; using System.Web.Util; ////// Derived version of LinkButton used within a DataControl. /// [SupportsEventValidation] internal class DataControlLinkButton : LinkButton { IPostBackContainer _container; string _callbackArgument; bool _enableCallback; internal DataControlLinkButton(IPostBackContainer container) { _container = container; } public override bool CausesValidation { get { if (_container != null) { return false; } return base.CausesValidation; } set { if (_container != null) { throw new NotSupportedException(SR.GetString(SR.CannotSetValidationOnDataControlButtons)); } base.CausesValidation = value; } } internal void EnableCallback(string argument) { _enableCallback = true; _callbackArgument = argument; } protected override PostBackOptions GetPostBackOptions() { if (_container != null) { return _container.GetPostBackOptions(this); } return base.GetPostBackOptions(); } protected internal override void Render(HtmlTextWriter writer) { SetCallbackProperties(); SetForeColor(); base.Render(writer); } private void SetCallbackProperties() { if (_enableCallback) { ICallbackContainer _callbackContainer = _container as ICallbackContainer; if (_callbackContainer != null) { string callbackScript = _callbackContainer.GetCallbackScript(this, _callbackArgument); if (!String.IsNullOrEmpty(callbackScript)) { this.OnClientClick = callbackScript; } } } } ////// In HTML hyperlinks always use the browser's link color. /// For the DataControl, we want all LinkButtons to honor the ForeColor setting. /// This requires looking up into the control hierarchy to see if either the cell /// or the containing row or table define a ForeColor. /// protected virtual void SetForeColor() { if (ControlStyle.IsSet(System.Web.UI.WebControls.Style.PROP_FORECOLOR) == false) { Color hyperLinkForeColor; Control control = this; for (int i = 0; i < 3; i++) { control = control.Parent; Debug.Assert(((i == 0) && (control is TableCell)) || ((i == 1) && (control is TableRow)) || ((i == 2) && (control is Table))); hyperLinkForeColor = ((WebControl)control).ForeColor; if (hyperLinkForeColor != Color.Empty) { ForeColor = hyperLinkForeColor; break; } } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Drawing; using System.Web.Util; ////// Derived version of LinkButton used within a DataControl. /// [SupportsEventValidation] internal class DataControlLinkButton : LinkButton { IPostBackContainer _container; string _callbackArgument; bool _enableCallback; internal DataControlLinkButton(IPostBackContainer container) { _container = container; } public override bool CausesValidation { get { if (_container != null) { return false; } return base.CausesValidation; } set { if (_container != null) { throw new NotSupportedException(SR.GetString(SR.CannotSetValidationOnDataControlButtons)); } base.CausesValidation = value; } } internal void EnableCallback(string argument) { _enableCallback = true; _callbackArgument = argument; } protected override PostBackOptions GetPostBackOptions() { if (_container != null) { return _container.GetPostBackOptions(this); } return base.GetPostBackOptions(); } protected internal override void Render(HtmlTextWriter writer) { SetCallbackProperties(); SetForeColor(); base.Render(writer); } private void SetCallbackProperties() { if (_enableCallback) { ICallbackContainer _callbackContainer = _container as ICallbackContainer; if (_callbackContainer != null) { string callbackScript = _callbackContainer.GetCallbackScript(this, _callbackArgument); if (!String.IsNullOrEmpty(callbackScript)) { this.OnClientClick = callbackScript; } } } } ////// In HTML hyperlinks always use the browser's link color. /// For the DataControl, we want all LinkButtons to honor the ForeColor setting. /// This requires looking up into the control hierarchy to see if either the cell /// or the containing row or table define a ForeColor. /// protected virtual void SetForeColor() { if (ControlStyle.IsSet(System.Web.UI.WebControls.Style.PROP_FORECOLOR) == false) { Color hyperLinkForeColor; Control control = this; for (int i = 0; i < 3; i++) { control = control.Parent; Debug.Assert(((i == 0) && (control is TableCell)) || ((i == 1) && (control is TableRow)) || ((i == 2) && (control is Table))); hyperLinkForeColor = ((WebControl)control).ForeColor; if (hyperLinkForeColor != Color.Empty) { ForeColor = hyperLinkForeColor; break; } } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SystemColors.cs
- OdbcConnectionStringbuilder.cs
- ContextStack.cs
- DetailsViewRowCollection.cs
- util.cs
- Rect3D.cs
- StrongNameUtility.cs
- SqlBooleanizer.cs
- RuleProcessor.cs
- SqlError.cs
- X500Name.cs
- CodeArgumentReferenceExpression.cs
- InputLangChangeEvent.cs
- XPathScanner.cs
- EndEvent.cs
- SamlAttribute.cs
- DocumentPageView.cs
- ConstraintConverter.cs
- EntityDataSourceWizardForm.cs
- MenuAdapter.cs
- CaseStatementProjectedSlot.cs
- UnsettableComboBox.cs
- Run.cs
- ButtonBaseAdapter.cs
- DBSqlParserColumnCollection.cs
- ErrorFormatter.cs
- CipherData.cs
- BitmapEffectInput.cs
- _NativeSSPI.cs
- JoinCqlBlock.cs
- UserInitiatedNavigationPermission.cs
- Application.cs
- _BufferOffsetSize.cs
- ControlAdapter.cs
- DataGridViewSelectedColumnCollection.cs
- HtmlButton.cs
- BrowserCapabilitiesCodeGenerator.cs
- BitVector32.cs
- DataGridViewAdvancedBorderStyle.cs
- ServiceHttpHandlerFactory.cs
- StringAnimationBase.cs
- BitStack.cs
- wgx_sdk_version.cs
- ListenerConnectionModeReader.cs
- PolyQuadraticBezierSegment.cs
- Message.cs
- ConfigurationManagerHelper.cs
- ElementsClipboardData.cs
- ProcessModelInfo.cs
- FontFamily.cs
- TdsParserStateObject.cs
- CompilationSection.cs
- OracleFactory.cs
- DoubleCollectionValueSerializer.cs
- WorkflowRuntimeBehavior.cs
- ValidationSummary.cs
- XmlSerializerNamespaces.cs
- ManagedWndProcTracker.cs
- XPathNavigator.cs
- TypeBuilderInstantiation.cs
- SemaphoreSecurity.cs
- DetailsViewInsertEventArgs.cs
- BinaryMessageFormatter.cs
- _SSPISessionCache.cs
- processwaithandle.cs
- SQLDecimalStorage.cs
- HttpContext.cs
- TextDecorationCollection.cs
- LambdaCompiler.Binary.cs
- OleDbDataReader.cs
- ColumnResizeUndoUnit.cs
- UriSection.cs
- LinqToSqlWrapper.cs
- CompilerGlobalScopeAttribute.cs
- DbLambda.cs
- HttpProtocolReflector.cs
- QilGenerator.cs
- LinqDataSourceValidationException.cs
- DataGridRowAutomationPeer.cs
- PersonalizableTypeEntry.cs
- SecurityContext.cs
- ServiceDiscoveryBehavior.cs
- log.cs
- WinFormsSpinner.cs
- AxDesigner.cs
- Point3DAnimationUsingKeyFrames.cs
- ResolvedKeyFrameEntry.cs
- SessionSwitchEventArgs.cs
- ToolStripDropTargetManager.cs
- RemoteWebConfigurationHostServer.cs
- BitStack.cs
- WebBrowserSiteBase.cs
- RewritingPass.cs
- MenuStrip.cs
- ExpandoObject.cs
- XmlHierarchicalDataSourceView.cs
- SplineKeyFrames.cs
- DbProviderServices.cs
- KeyNotFoundException.cs
- ThreadExceptionDialog.cs